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1db5c04bc0
vnodes which represent volumes (before it was done via strcmp()). Turn n_refparent into bit in the n_flag field.
103 lines
3.9 KiB
C
103 lines
3.9 KiB
C
/*
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* Copyright (c) 1999, 2000, 2001 Boris Popov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Boris Popov.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NWFS_NODE_H_
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#define _NWFS_NODE_H_
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#define NWFS_ROOT_INO 0x7ffffffd
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/* Bits for nwnode.n_flag */
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#define NFLUSHINPROG 0x0001
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#define NFLUSHWANT 0x0002 /* they should gone ... */
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#define NMODIFIED 0x0004 /* bogus, until async IO implemented */
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#define NREFPARENT 0x0008 /* vnode holds reference to a parent vnode */
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#define NVOLUME 0x0010 /* vnode references a volume */
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#define NSHOULDFREE 0x0020 /* vnode should be removed from hash */
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struct nwnode {
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LIST_ENTRY(nwnode) n_hash;
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struct vnode *n_vnode;
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struct vattr n_vattr;
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struct nwmount *n_mount;
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time_t n_atime; /* attributes cache time*/
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time_t n_ctime;
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time_t n_mtime;
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int n_flag;
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ncpfid n_parent;
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ncpfid n_fid;
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u_long n_attr; /* LH */
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u_long n_size;
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u_long n_dosfid;
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int opened;
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/* int access;*/
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u_long n_origfh;
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ncp_fh n_fh;
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struct nw_search_seq n_seq;
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u_char n_nmlen;
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u_char n_name[256];
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};
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#define VTONW(vp) ((struct nwnode *)(vp)->v_data)
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#define NWTOV(np) ((struct vnode *)(np)->n_vnode)
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#define NWCMPF(f1,f2) ((f1)->f_parent == (f2)->f_parent && \
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(f1)->f_id == (f2)->f_id)
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#define NWCMPN(np1,np2) NWCMPF(&(np1)->n_fid, &(np2)->n_fid)
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#define NWCMPV(vp1,vp2) NWCMPN(VTONW(vp1),VTONW(vp2))
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struct vop_getpages_args;
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struct vop_inactive_args;
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struct vop_putpages_args;
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struct vop_reclaim_args;
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struct ucred;
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struct uio;
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void nwfs_hash_init(void);
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void nwfs_hash_free(void);
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int nwfs_lookupnp(struct nwmount *nmp, ncpfid fid, struct proc *p,
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struct nwnode **npp);
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int nwfs_inactive(struct vop_inactive_args *);
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int nwfs_reclaim(struct vop_reclaim_args *);
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int nwfs_nget(struct mount *mp, ncpfid fid, struct nw_entry_info *fap,
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struct vnode *dvp, struct vnode **vpp);
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int nwfs_getpages(struct vop_getpages_args *);
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int nwfs_putpages(struct vop_putpages_args *);
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int nwfs_readvnode(struct vnode *vp, struct uio *uiop, struct ucred *cred);
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int nwfs_writevnode(struct vnode *vp, struct uio *uiop, struct ucred *cred, int ioflag);
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void nwfs_attr_cacheenter(struct vnode *vp, struct nw_entry_info *fi);
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int nwfs_attr_cachelookup(struct vnode *vp,struct vattr *va);
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#define nwfs_attr_cacheremove(vp) VTONW(vp)->n_atime = 0
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#endif /* _NWFS_NODE_H_ */
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